CN218901024U

CN218901024U - Sewage treatment device for lithium battery

Info

Publication number: CN218901024U
Application number: CN202222620552.5U
Authority: CN
Inventors: 李雯; 马兆明; 赵磊
Original assignee: Tangshan Guoxuan Battery Co Ltd
Current assignee: Tangshan Guoxuan Battery Co Ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-04-25
Anticipated expiration: 2032-09-30

Abstract

The utility model discloses a sewage treatment device for a lithium battery, which comprises a water inlet part, a filtering part and a clear water collecting tank which are connected in sequence; the lithium battery homogenate to coating sewage treatment device comprises a sewage tank, a sewage filtering part, a filter residue discharging waste tank and a clean water collecting tank, and is simple in structure, compact in fit and convenient to detach and clean.

Description

Sewage treatment device for lithium battery

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to a lithium battery sewage treatment device.

Background

The positive and negative electrode sewage components of the lithium ion battery mainly comprise active substances (positive and negative electrode materials), solvents, binders, conductive agents and the like, contain a large amount of toxic and harmful substances, and are required to be treated by sewage treatment and classification. The existing device for homogenizing to coating sewage from lithium batteries has the disadvantages of complex structure, high cost, inconvenient moving, disassembling and cleaning operations, insufficient filtering efficiency and effect, and easy accumulation and blockage of particles and impurities in sewage under long-time working conditions, thereby greatly influencing the use effect of the sewage filtering device.

Disclosure of Invention

The utility model aims to provide a lithium battery sewage treatment device for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a sewage treatment device of a lithium battery comprises a water inlet part, a filtering part and a clear water collecting tank which are connected in sequence;

the filter part is including filtering the jar body, it is internal to be equipped with seal structure's filter chamber to filter the jar, the upper end of filter chamber is equipped with the relief valve, the inlet end of filter chamber upper end with inlet part intercommunication, be equipped with filter screen, bag filter screen, play water filter screen from top to bottom in proper order in the filter chamber, inlet filter screen, bag filter screen, play water filter screen with it can dismantle to be connected to filter the jar body, it is equipped with out liquid bucket to filter jar body lower extreme, go out liquid bucket with clear water collecting vat intercommunication.

As a further scheme of the utility model: the water inlet part comprises a sewage tank, a water inlet is arranged on the sewage tank, and the sewage tank is communicated with a filter cavity in the filter tank body through a sewage inlet pipeline.

As a further scheme of the utility model: the sewage inlet pipeline is provided with a sewage pump, and a first valve and a first pressure gauge are arranged between the sewage inlet pipeline and the liquid inlet end of the filter cavity.

As a further scheme of the utility model: at least one stirring device is arranged in the sewage pool, the stirring device comprises a stirring paddle arranged in the sewage pool, and a stirring motor used for driving the stirring paddle is arranged above the sewage pool.

As a further scheme of the utility model: the lower end of the liquid outlet hopper is communicated with the sewage pool through a residual liquid return pipeline, and a third valve is arranged on the residual liquid return pipeline.

As a further scheme of the utility model: the bag type filter screen is internally provided with a plurality of bag type filter screen filter elements which are matched with the water inlet filter screen and the water outlet filter screen.

As a further scheme of the utility model: the lower end of the liquid outlet hopper is connected with a filter residue collecting tank.

As a further scheme of the utility model: the clear water collecting tank is communicated with the upper part of the liquid outlet bucket through a clear water pipeline, and a second pressure gauge and a second valve are arranged between the clear water pipeline and the liquid outlet bucket.

As a further scheme of the utility model: the lower end of the clean water collecting tank is provided with a drain pipe.

Compared with the prior art, the utility model has the beneficial effects that:

1. the device for homogenizing the lithium battery to the coating sewage comprises a sewage tank, a sewage filtering part, a filter residue discharging and waste tank and a clear water collecting tank, and has the advantages of simple structure, compact matching and convenient disassembly and cleaning;

2. the sewage filtering effect can be further improved through the serial and parallel collocation of the multi-stage sewage filtering devices; the filtering device is convenient to connect with the pipeline of the production line, and the filtering device can be directly detached to replace a new sewage filtering device when the bag-type filter element is required to be cleaned and replaced, so that the production efficiency is not affected.

Drawings

FIG. 1 is a schematic view of a sewage treatment apparatus according to the present embodiment;

fig. 2 is a schematic diagram of a partial structure of a filtering portion according to the present embodiment.

In the figure:

1-a water inlet part, 101-a water inlet, 102-a sewage pump, 103-a stirring paddle, 104-a stirring motor and 105-a sewage tank;

2-filtering part, 201-relief valve, 202-water inlet filter screen, 203-bag filter screen, 204-liquid outlet hopper, 205-water outlet filter screen, 206-clear water collecting pipe, 207-raffinate reflux pipe, 208-first pressure gauge, 209-second pressure gauge, 210-first valve, 211-second valve, 212-third valve;

3-clear water collecting pool, 301-drain pipe and 4-filter residue collecting pool.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, in an embodiment of the utility model, a sewage treatment device for a lithium battery includes a water inlet portion 1, a filtering portion 2, and a clean water collecting tank 3, which are sequentially connected.

The water inlet part 1 comprises a sewage tank 105, a water inlet 101 is arranged on the sewage tank 105, at least one stirring device is arranged in the sewage tank 105, the stirring device comprises a stirring paddle 103 positioned in the sewage tank 105, a stirring motor 104 for driving the stirring paddle 103 is arranged above the sewage tank 105,

the filtering part 2 comprises a filtering tank body, a filtering cavity of a closed structure is arranged in the filtering tank body, the sewage pool 105 is communicated with the filtering cavity in the filtering tank body through a sewage inlet pipeline, the sewage inlet pipeline is provided with a sewage pump 102, the sewage pump in the embodiment adopts a diaphragm pump, and a first valve 210 and a first pressure gauge 208 are arranged between the sewage inlet pipeline and the liquid inlet end of the filtering cavity.

The upper end of filter chamber is equipped with relief valve 201, the feed liquor end and the portion of intaking 1 intercommunication of filter chamber upper end, the filter intracavity is equipped with water filter screen 202 from top to bottom in proper order, bag filter screen 203, go out water filter screen 205, water filter screen 202, bag filter screen 203, go out water filter screen 205 and filter tank body detachable connection, be equipped with a plurality of bag filter screen filter cores in the bag filter screen 203, bag filter screen filter core and water filter screen 202, go out water filter screen 205 cooperation arrangement, filter tank body lower extreme is equipped with out liquid bucket 204, go out liquid bucket 204 and clear water collecting vat 3 intercommunication, go out liquid bucket 204 lower extreme and communicate with effluent pond 105 through raffinate return pipe 107, be equipped with third valve 212 on the raffinate return pipe 107, go out liquid bucket 204 lower extreme and be connected with filter residue collecting vat 4.

The clear water collecting tank 3 is communicated with the upper part of the liquid outlet hopper 204 through a clear water pipeline, a second pressure gauge 209 and a second valve 211 are arranged between the clear water pipeline and the liquid outlet hopper 204, and a drain pipe 301 is arranged at the lower end of the clear water collecting tank 3.

In this embodiment, each pipeline all passes through flange joint, and the filter core passes through the buckle to be connected, conveniently dismantles.

When the utility model is used, the water inlet 101 on the sewage tank 105 is communicated with the sewage pipe of the lithium battery slurry homogenizing and coating equipment, so that sewage generated in production can be discharged into the sewage tank 105, and the sewage tank 105 is internally provided with a stirring device, so that the sewage in the sewage tank can be stirred, and the stirred sewage passes through the diaphragm pump. The sewage pipeline is pumped into the filter cavity in the filter tank body, the filter screen is internally provided with a water inlet filter screen 202, a bag filter screen 203 and a water outlet filter screen 205 from top to bottom in sequence, sewage sequentially passes through the water inlet filter screen 202, the bag filter screen 203 and the water outlet filter screen 205, and after triple filtration, filtered clear water flows into the clear water collecting tank through the clear water pipeline, so that the filtering treatment of the sewage can be completed.

In addition, owing to be equipped with bag formula filter screen 203 in this application, bag formula filter screen 203 is connected with the jar body buckle of filtration jar, conveniently dismantle the change, after long-term use, can block up a lot of mud and residue on bag formula filter screen 203, play water filter screen 205, lead to filtration system to block up, need what change the filter screen this moment, when changing, bag formula filter screen, go up piled up mud, in the sludge impoundment of below between the residue, need not to take out from filtration jar body top together through the filter screen, and then the degree of difficulty of filter screen dismantlement has been reduced, change efficiency has been improved, moreover, when this application changes bag formula filter core, but need not to carry out the washing of filter core, directly dismantle and change the filter screen, and resume production, old dismantlement back washs again, this cleaning time is the off-line operation, production efficiency is not delayed.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The lithium battery sewage treatment device is characterized by comprising a water inlet part (1), a filtering part (2) and a clean water collecting tank (3) which are connected in sequence;

the filter part (2) comprises a filter tank body, a filter cavity of a closed structure is arranged in the filter tank body, a pressure relief valve (201) is arranged at the upper end of the filter cavity, a liquid inlet end at the upper end of the filter cavity is communicated with the water inlet part (1), a water inlet filter screen (202), a bag filter screen (203) and a water outlet filter screen (205) are sequentially arranged in the filter cavity from top to bottom, the water inlet filter screen (202), the bag filter screen (203) and the water outlet filter screen (205) are detachably connected with the filter tank body, a liquid outlet hopper (204) is arranged at the lower end of the filter tank body, and the liquid outlet hopper (204) is communicated with the clear water collecting tank (3).

2. The lithium battery sewage treatment device according to claim 1, wherein the water inlet part (1) comprises a sewage tank (105), a water inlet (101) is arranged on the sewage tank (105), and the sewage tank (105) is communicated with a filter cavity in the filter tank body through a sewage inlet pipeline.

3. The lithium battery sewage treatment device according to claim 2, wherein the sewage inlet pipeline is provided with a sewage pump (102), and a first valve (210) and a first pressure gauge (208) are arranged between the sewage inlet pipeline and the liquid inlet end of the filter cavity.

4. The lithium battery sewage treatment device according to claim 2, wherein at least one stirring device is arranged in the sewage tank (105), the stirring device comprises a stirring paddle (103) arranged in the sewage tank (105), and a stirring motor (104) for driving the stirring paddle (103) is arranged above the sewage tank (105).

5. The lithium battery sewage treatment device according to claim 2, wherein the lower end of the liquid outlet hopper (204) is communicated with the sewage tank (105) through a residual liquid return pipeline (107), and a third valve (212) is arranged on the residual liquid return pipeline (107).

6. The lithium battery sewage treatment device according to claim 1, wherein a plurality of bag-type filter cores are arranged in the bag-type filter screen (203), and the bag-type filter cores are matched with the water inlet filter screen (202) and the water outlet filter screen (205).

7. The lithium battery sewage treatment device according to claim 1, wherein the lower end of the liquid outlet hopper (204) is connected with a filter residue collecting tank (4).

8. The lithium battery sewage treatment device according to claim 1, wherein the clean water collecting tank (3) is communicated with the upper part of the liquid outlet bucket (204) through a clean water pipeline, and a second pressure gauge (209) and a second valve (211) are arranged between the clean water pipeline and the liquid outlet bucket (204).

9. The lithium battery sewage treatment device according to claim 1, wherein a drain pipe (301) is arranged at the lower end of the clean water collecting tank (3).